“tracking and observation”的概念、定义、翻译、参考文献-科学参考

单词	tracking and observation
释义	tracking and observation Encyclopedia 历史学博物馆公共服务释 tracking and observation观众行为观察法观察者根据研究需要，利用眼睛、耳朵等感觉器官和其他技术手段或仪器，有目的地对博物馆观众进行考察，获得有关观众行为的资料。
随便看	traction control system，TCS traction converter traction drive traction drive system traction electric apparatus traction electric network traction fibre traction lift traction motor traction of fracture traction power supply system of high speed maglev train traction power supply system of medium and low speed maglev train traction relief traction substation traction system traction transformer tractive chain conveyor tractive force tractive force of train Tract of the Quiet Way of the Thearch Lord Wenchang tractometer tractor tractor airscrew tractor and semi-trailer tractor feeder

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